If a previous Qemu executable is not able to delete the statistic file
on the next creation with same name (statitics file are based on pid
numbers so if pid get reused for another Qemu process you get the same
name) it fails as you can't open a file with 0444 permissions (these
are the permission used to create these files).
This patch assure there are no stale file trying to remove it before the
creation of the new one. As file is based on pid and name used for spice
you are not deleting another file.
Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
server/reds.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/server/reds.c b/server/reds.c
index 0867edb..d1edc06 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -3291,6 +3291,7 @@ static int do_spice_init(SpiceCoreInterface *core_interface)
shm_name_len = strlen(SPICE_STAT_SHM_NAME) + 20;
reds->stat_shm_name = (char *)spice_malloc(shm_name_len);
snprintf(reds->stat_shm_name, shm_name_len, SPICE_STAT_SHM_NAME, getpid());
+ shm_unlink(reds->stat_shm_name);
if ((fd = shm_open(reds->stat_shm_name, O_CREAT | O_RDWR, 0444)) == -1) {
spice_error("statistics shm_open failed, %s", strerror(errno));
}
--
2.1.0
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